diff --git a/res/include/style/modal.css b/res/include/style/modal.css
index 95cec9c..2f8e917 100644
--- a/res/include/style/modal.css
+++ b/res/include/style/modal.css
@@ -24,7 +24,7 @@
 	box-sizing: border-box;
 	text-align: left;
 	box-shadow: var(--shadow_color) 0px 0px 50px;
-	border-radius: 16px 16px 8px 8px;
+	border-radius: 20px 20px 8px 8px;
 	overflow: hidden;
 }
 
diff --git a/res/template/home.html b/res/template/home.html
index 8faa20c..79ab99d 100644
--- a/res/template/home.html
+++ b/res/template/home.html
@@ -133,6 +133,14 @@
 				mission to make content sharing easier, safer and faster for
 				everyone.
 			</p>
+			<p>
+				Pixeldrain uses
+				<a
+				href="https://en.wikipedia.org/wiki/Byte#Multiple-byte_units" target="_blank">SI
+				standard units</a> for measuring file sizes. If you are using
+				Windows your files may appear smaller than they actually are.
+			</p>
+			<br/>
 			<div class="feat_table">
 				<div>
 					<div></div>
@@ -141,9 +149,9 @@
 				</div>
 				<div>
 					<div class="feat_label">Size limit per file</div>
-					<div class="feat_normal">5 GB per file</div>
+					<div class="feat_normal">5 GB per file (4.66 GiB)</div>
 					<div class="feat_pro">
-						<span class="text_highlight">15 GB</span> per file
+						<span class="text_highlight">15 GB</span> per file (13.97 GiB)
 					</div>
 				</div>
 				<div>
@@ -276,7 +284,7 @@
 						{{end}}
 					</div>
 					<div class="feat_pro features_cell round_tr">
-						<div><span class="text_highlight">20 GB</span> max file size<br/></div>
+						<div><span class="text_highlight">20 GB</span> max file size (18.63 GiB)<br/></div>
 						<div><span class="text_highlight">120 days</span> file expiry</div>
 						<div><span class="text_highlight">2 TB</span> direct link bandwidth<br/></div>
 						<div><span class="text_highlight">2 TB</span> storage space<br/></div>
diff --git a/svelte/src/home_page/UploadProgressBar.svelte b/svelte/src/home_page/UploadProgressBar.svelte
index a0f0359..ed5578c 100644
--- a/svelte/src/home_page/UploadProgressBar.svelte
+++ b/svelte/src/home_page/UploadProgressBar.svelte
@@ -78,6 +78,17 @@ const on_failure = (status, message) => {
 }
 
 export const start = () => {
+	if (window.user_subscription.file_size_limit === 0) {
+		window.user_subscription.file_size_limit = 5e9
+	}
+	if (job.total_size > window.user_subscription.file_size_limit) {
+		on_failure(
+			"file_too_large",
+			"This file is too large. Check out the Pro subscription to increase the file size limit"
+		)
+		return
+	}
+
 	start_time = new Date().getTime()
 	if (stats_interval === null) {
 		stats_interval = setInterval(on_progress, stats_interval_ms)
diff --git a/svelte/src/util/Modal.svelte b/svelte/src/util/Modal.svelte
index 86e7a95..f99382d 100644
--- a/svelte/src/util/Modal.svelte
+++ b/svelte/src/util/Modal.svelte
@@ -83,7 +83,7 @@ const keydown = e => {
 	left: 50%;
 	transform: translate(-50%, -20%);
 	padding: 0;
-	border-radius: 16px 16px 8px 8px;
+	border-radius: 20px 20px 8px 8px;
 	overflow: hidden;
 	box-sizing: border-box;
 	text-align: left;